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RAP to SDY: distance & flight time
Rapid City (Rapid City Regional Airport) → Sidney (Sidney - Richland Regional Airport)
259 mi
417 km · 225 nm
1h 9m
estimated nonstop flight time
Same time
time difference · heading north
See live RAP→SDY fares Phone-only fares on this route — call free
Flight time details
259 miles nonstop takes roughly 1h 9m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- RAP — Rapid City Regional Airport · Rapid City, United States
- SDY — Sidney - Richland Regional Airport · Sidney, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near RAP
- RCA · Ellsworth Air Force Base7 mi away
- SPF · Black Hills Airport-Clyde Ice Field47 mi away
- CDR · Chadron Municipal Airport83 mi away
- GCC · Gillette Campbell County Airport125 mi away
Near SDY
- ISN · Sloulin Field International Airport41 mi away
- GDV · Dawson Community Airport49 mi away
- OLF · L M Clayton Airport69 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport91 mi away
Frequently asked questions
How far is RAP from SDY?
The flight distance from Rapid City (RAP) to Sidney (SDY) is 259 miles (417 km, 225 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RAP to SDY?
A nonstop flight takes about 1h 9m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from RAP to SDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RAP–SDY that never appear on search engines, with no booking fees.